[INFO] fetching crate lsm 0.4.1... [INFO] testing lsm-0.4.1 against 1.90.0 for beta-1.91-3 [INFO] extracting crate lsm 0.4.1 into /workspace/builds/worker-5-tc1/source [INFO] removed /workspace/builds/worker-5-tc1/source/.cargo/config.toml [INFO] removed /workspace/builds/worker-5-tc1/source/rust-toolchain.toml [INFO] started tweaking crates.io crate lsm 0.4.1 [INFO] removed 0 missing examples [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate lsm 0.4.1 [INFO] tweaked toml for crates.io crate lsm 0.4.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate lsm 0.4.1 on toolchain 1.90.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate lsm 0.4.1 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded windows-core v0.54.0 [INFO] [stderr] Downloaded generator v0.8.1 [INFO] [stderr] Downloaded tracing-tracy v0.11.1 [INFO] [stderr] Downloaded tracy-client v0.17.1 [INFO] [stderr] Downloaded wasm-bindgen-backend v0.2.92 [INFO] [stderr] Downloaded anstyle-parse v0.2.4 [INFO] [stderr] Downloaded clap_lex v0.7.1 [INFO] [stderr] Downloaded anstyle-query v1.1.0 [INFO] [stderr] Downloaded env_filter v0.1.1 [INFO] [stderr] Downloaded bit-vec v0.7.0 [INFO] [stderr] Downloaded bloomfilter v1.0.14 [INFO] [stderr] Downloaded clap v4.5.10 [INFO] [stderr] Downloaded bytes v1.6.1 [INFO] [stderr] Downloaded tracing-subscriber v0.3.18 [INFO] [stderr] Downloaded clap_builder v4.5.10 [INFO] [stderr] Downloaded io-uring v0.6.4 [INFO] [stderr] Downloaded clap_derive v4.5.8 [INFO] [stderr] Downloaded env_logger v0.11.4 [INFO] [stderr] Downloaded wasm-bindgen-macro-support v0.2.92 [INFO] [stderr] Downloaded lru v0.12.3 [INFO] [stderr] Downloaded socket2 v0.5.7 [INFO] [stderr] Downloaded kioto-uring-executor-macros v0.1.0 [INFO] [stderr] Downloaded wasm-bindgen-shared v0.2.92 [INFO] [stderr] Downloaded wasm-bindgen v0.2.92 [INFO] [stderr] Downloaded tokio-uring v0.5.0 [INFO] [stderr] Downloaded syn v2.0.72 [INFO] [stderr] Downloaded anstyle-wincon v3.0.3 [INFO] [stderr] Downloaded kioto-uring-executor v0.1.0 [INFO] [stderr] Downloaded colorchoice v1.0.1 [INFO] [stderr] Downloaded is_terminal_polyfill v1.70.0 [INFO] [stderr] Downloaded anstream v0.6.14 [INFO] [stderr] Downloaded anstyle v1.0.7 [INFO] [stderr] Downloaded wasm-bindgen-macro v0.2.92 [INFO] [stderr] Downloaded tempfile v3.10.1 [INFO] [stderr] Downloaded tokio v1.39.1 [INFO] [stderr] Downloaded tokio-condvar v0.3.0 [INFO] [stderr] Downloaded tracy-client-sys v0.23.0 [INFO] [stderr] Downloaded cc v1.1.6 [INFO] [stderr] Downloaded object v0.36.2 [INFO] [stderr] Downloaded js-sys v0.3.69 [INFO] [stderr] Downloaded windows v0.54.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9358a0f61f806c934e549a74477eeb0e87fbb3d75d65008b9b64a2b019bbcee2 [INFO] running `Command { std: "docker" "start" "-a" "9358a0f61f806c934e549a74477eeb0e87fbb3d75d65008b9b64a2b019bbcee2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9358a0f61f806c934e549a74477eeb0e87fbb3d75d65008b9b64a2b019bbcee2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9358a0f61f806c934e549a74477eeb0e87fbb3d75d65008b9b64a2b019bbcee2", kill_on_drop: false }` [INFO] [stdout] 9358a0f61f806c934e549a74477eeb0e87fbb3d75d65008b9b64a2b019bbcee2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7be41bc823d0235270328eb92976e9490f8f1da7c3778bb93173669bd3be4aa2 [INFO] running `Command { std: "docker" "start" "-a" "7be41bc823d0235270328eb92976e9490f8f1da7c3778bb93173669bd3be4aa2", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling autocfg v1.3.0 [INFO] [stderr] Compiling libc v0.2.155 [INFO] [stderr] Compiling pin-project-lite v0.2.14 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling futures-core v0.3.30 [INFO] [stderr] Compiling futures-sink v0.3.30 [INFO] [stderr] Compiling byteorder v1.5.0 [INFO] [stderr] Compiling futures-task v0.3.30 [INFO] [stderr] Compiling serde v1.0.204 [INFO] [stderr] Compiling smallvec v1.13.2 [INFO] [stderr] Compiling futures-io v0.3.30 [INFO] [stderr] Compiling once_cell v1.19.0 [INFO] [stderr] Compiling bytes v1.6.1 [INFO] [stderr] Compiling snap v1.1.1 [INFO] [stderr] Compiling allocator-api2 v0.2.18 [INFO] [stderr] Compiling csv-core v0.1.11 [INFO] [stderr] Compiling bit-vec v0.7.0 [INFO] [stderr] Compiling tracing-core v0.1.32 [INFO] [stderr] Compiling itoa v1.0.11 [INFO] [stderr] Compiling ryu v1.0.18 [INFO] [stderr] Compiling futures-channel v0.3.30 [INFO] [stderr] Compiling log v0.4.22 [INFO] [stderr] Compiling ahash v0.8.11 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Compiling lock_api v0.4.12 [INFO] [stderr] Compiling quote v1.0.36 [INFO] [stderr] Compiling syn v2.0.72 [INFO] [stderr] Compiling parking_lot_core v0.9.10 [INFO] [stderr] Compiling getrandom v0.2.15 [INFO] [stderr] Compiling memmap2 v0.9.4 [INFO] [stderr] Compiling bloomfilter v1.0.14 [INFO] [stderr] Compiling parking_lot v0.12.3 [INFO] [stderr] Compiling csv v1.3.0 [INFO] [stderr] Compiling zerocopy-derive v0.7.35 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Compiling tokio-macros v2.4.0 [INFO] [stderr] Compiling tracing-attributes v0.1.27 [INFO] [stderr] Compiling async-trait v0.1.81 [INFO] [stderr] Compiling tokio v1.39.1 [INFO] [stderr] Compiling zerocopy v0.7.35 [INFO] [stderr] Compiling futures-util v0.3.30 [INFO] [stderr] Compiling tracing v0.1.40 [INFO] [stderr] Compiling hashbrown v0.14.5 [INFO] [stderr] Compiling lru v0.12.3 [INFO] [stderr] Compiling tokio-condvar v0.3.0 [INFO] [stderr] Compiling futures-executor v0.3.30 [INFO] [stderr] Compiling futures v0.3.30 [INFO] [stderr] Compiling lsm v0.4.1 (/opt/rustwide/workdir) [INFO] [stdout] error: let chains are only allowed in Rust 2024 or later [INFO] [stdout] --> src/logic.rs:236:12 [INFO] [stdout] | [INFO] [stdout] 236 | if let Some(min_key) = &min_key [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: let chains are only allowed in Rust 2024 or later [INFO] [stdout] --> src/logic.rs:237:16 [INFO] [stdout] | [INFO] [stdout] 237 | && let Some(max_key) = &max_key [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: let chains are only allowed in Rust 2024 or later [INFO] [stdout] --> src/logic.rs:301:12 [INFO] [stdout] | [INFO] [stdout] 301 | if let Some(min_key) = &min_key [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: let chains are only allowed in Rust 2024 or later [INFO] [stdout] --> src/logic.rs:302:16 [INFO] [stdout] | [INFO] [stdout] 302 | && let Some(max_key) = &max_key [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: let chains are only allowed in Rust 2024 or later [INFO] [stdout] --> src/level.rs:330:27 [INFO] [stdout] | [INFO] [stdout] 330 | let table_id = if let Some(table_id) = fast_path [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(trait_alias)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(get_mut_unchecked)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | #![feature(let_chains)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute [INFO] [stdout] | [INFO] [stdout] = help: the feature `let_chains` has been stable since `1.88.0` and no longer requires an attribute to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | #![feature(const_option)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:5:1 [INFO] [stdout] | [INFO] [stdout] 5 | #![feature(trivial_bounds)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `let_chains` has been stable since 1.88.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | #![feature(let_chains)] [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `const_option` has been stable since 1.83.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | #![feature(const_option)] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `lsm` (lib) due to 10 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "7be41bc823d0235270328eb92976e9490f8f1da7c3778bb93173669bd3be4aa2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7be41bc823d0235270328eb92976e9490f8f1da7c3778bb93173669bd3be4aa2", kill_on_drop: false }` [INFO] [stdout] 7be41bc823d0235270328eb92976e9490f8f1da7c3778bb93173669bd3be4aa2